05-10-13 Phenology Field Note

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05-10-13 Phenology Field Note

May 11, 2013

Rebecca Durham's colorful Phenology Field Note details flower spiders, death camas, and stoneseed.

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Phenology Field Note 05-10-13

The showy flowers of bladder campion unfurl. This non-native species is abundant in the north pivot and distributed in disturbed areas (Silene latifolia ssp. alba, North Center Pivot).

Saskatoon becomes hunting grounds for the flower spider. Flower spiders need no web to catch prey: they wait for insect pollinators to alight on blossoms and inject them with venom (Amelanchier alnifolia, Whaley).

False Solomon’s seal displays parallel venation characteristic of monocots (Maianthemum racemosum, North Ridge). A variable checkerspot probes the disc flowers of cutleaf daisy (Erigeron compositus,

False Solomon’s seal displays parallel venation characteristic of monocots (Maianthemum racemosum, North Ridge). A variable checkerspot probes the disc flowers of cutleaf daisy (Erigeron compositus,

Green rabbitbrush studs upland slopes above the Bitterroot River (Chrysothamnus viscidiflorus, Floodplain). A ladybug lays tends to its eggs in silverleaf phacelia’s lilac cyme (Phacelia hastata, Corral).

Stoneseed’s bright yellow corollas nestle in bristly leaf axils (Lithospermum ruderale, Native).

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